Razor stropper



L. A. FLINKER RAZOR sTRoPPEH Oct. 28, 1930.

Filed March 2, 1925 3 Sheets-Sheet 1 oct. 28, 1930. L. A. FLlNkl-:R1,779,669

RAZOR STROPPER Filed March 2,'1925 3 Sheets-Sheet 2 oct. 2s, 1930. L, AFUNKER 1,779,669

RAZOR STRQPPER Filed March 2, 1925 5 Sheets-Sheet 5 a spring wire Nsecured tok the frame A f at its opposite ends N and N 2 andeXtendingtransversely to said rock shaft E ad` jacent to the pinion G.The spring is spaced from the frame A, but extends beneath the rockshaft E, there being a depressed por-V tion N3 at this point. O isa pinprojecting laterally from :said pinion and arranged'in the plane of saidblade holderso that when the latter is in position to strop the blade"the pin depresses the'spring wire .N4-'Slt will be understood that thefriction between the frame A and the strop will holdthe' latter frommovement untilI the lost motion -is taken up between the rockable handleI and theshank-B.VA However,-the,spring'` N;

i functionsv as l soon ';'as` ,the pressure on the handled vreversedtoturn the pinion through the `medium'of the pin Gand to sepzo Mate' theSherri @dee-'lbf theiblade frm the strop..y g A The frame is. preferablyrectangular having the sidemembersA Vand Azadapted to engage'thefstropX, `the inner end member .25 A3 connected to the handle shankB and theouter end ymemberA A455 In order toobtain lsufficient frictionybetweenthe frameand the stropy itisdesirable. to have a flatfsurface .onthe underk side. ofthe Vside members A and A2,. but if this surfaceextends for the entirewidth of themembers, only the outer edges willcontactwith the stropV because Y the latterfis never sufficientlyflexible to make the sharp bend corresponding tothe curva- A -ture ofthestrop when pressure is being applied` due-to the stroppingV of theblade. Therefore, in my constructionthe outerportions of the under`surface-ofjeach side memberris bevelled or` curved upwardly.k asindicated at A5', while the inner portion is flat as indicated at AG.'Thuspasshown in Figure 6, thestrop X always lies on tthel 'innerlportions of the side'memberswhether much or little pressure isbeing'applied and the A l blade, therefore,'contactsfwith the strep YatIg5-ping surfaceXgf'on the: reverse/side.

The blade holder of myimprovedgdevic comprises a? pair of cheek platesPandP kpreferably hinged-to each 'otherzatfthe adjacent edges,one beingrigidly attached to Athe rock-shaftfE and the other being rotatablethereon. Slee've'd upon the rock shaft Eris' a torsional spring l havingthe portions 2 and 3 respectively bearing` against the cheek platesPandP and normallyholding l 4@5 :the y Same angularly spaced-'from eachother.

The cheek plates are providedY with the centrally recessed portions 4,the outer edges of these plates being arranged to form clamping faces 5and 6 respectively. One

4of theplates is provided with the recess 7 v-`at the free end thereofand the struck-out lug 8 adjacent the inner edge thereof.

" order' to .sefcure blades within the 'blade'holder, l preferablyprovide a serie'slof adaptors arranged to be positionedwithinfthebladeholder and having formed thereon, lugs orother suitablemeans for' po-` sitioning the particular blade which itis designedtocarry. Thus, as shown iny Fig- 'ure 9, S'is anadaptor preferably formedof, Sheet Iital Vand ,harillsfthe fl'esd .p0reon" 10 against which,#habladas alertedv w seat andV providedf with struck-out,` lugsll sospaced as to enter theapertures l2 in, a

particular safetyv razor.blablay lS-is aslot for engaging` 'thestruck-out'lug 8 in lthe blade holder,4 I The shoulders 1 4- A,formed bythe raised portion are adapted to engage corresponding shoulders ,l51ong theblade holder to furtherpositionf the adaptor.;

. For retaining theladaptor in'pos'ition'there is 4aspring clip 16arranged to bear against the adaptor and .to "engage shoulders formed bythe struck-out lugs 30. ln thepreferred constructionthis.spring clipisforrned. from y thesame spring wire, that isfused Vfor urging theAcheek plates f toward sf open position'nas illustrated in .Figur'e'ff,The springv wire r forming ythe coil lA has the portion 3 projectingradially fof the rock shaftE benty ltoex- ',f-.fe

tend parallel to the shaft Vand then bentradi ally inward and coiled.varound the vopposite end ofthe rock shaft as indicated vat 17, the end18of the wire engaging the 4clieelrplate PQ With nthis arrangement thetensiornof y thespring wire servesa double tfunctionzffor it urges thecheek platesftowards open posi jtionand also retainsfthe adaptor plate?on one ofthe cheek plateslv plates when in open position, there;areistops .formed by shoulderslQJand2O k in the Corresponding cheekplates.v 2l is aleverpiyotally attached .to the cheek plated?v at oneendthere'- of andpreferablyata point closelyladj acent .the rock shaftlfThiS-leverfhasthe outward- Forlimitingthe divergence ofthe cheek lyextending.armsl22forming clamping'mern- Y -bers adaptedqto -embracek'the cheek plates: P and PWhenthelatter are inlclosed position.

Y The members `are; united at their outer ends forming handle 23 bywhichvthe lever is .operatech QA is; transverselyl extending member betweenVthe handle and theblade holder formingv a guard for preventing thelingers from coming in Contact with tliefedge 1 A Ioftherazor blade.`This tran'sverselyiext'ending portion? also formsa stop -which engagestherock shaft E when theleveris substan- Y tially parallel to therockshaft. Each-of the Cheek plates Pfand P are provided with the` beingbifurcated to embrace the frame or plate, a rack formed-on onecof thefurcations roller in said cage engaging said plate fOr-re-4 ofsaidhandle for engaginglsaid` pinioncand an anti-friction vbearing inj .theother furca; tion of said handle for `receiving the Vlateralthrustlrybetween said handle and frame.

A15. -A` razor stropping device comprising a frame or plate having acutawayrportion and adapted to contactwith the razor strop, a-

cblade holder pivot-ally mounted onsaid `frame and located in the cutaway. portion thereof,

ahandle for, actuating said frame having a limited lost motionconnection therewith, the inner endof said handle being bifurcated forvg5 adaptedfto ContactV with the razor strop, a

blade holder pivotally mounted kon said framerand located in the cutaw'av portion thereof, a pinion on saidblade holder, ahandle shankprojecting Afromsaid frame, a handle member pivotally attached at itsouter endy tothe outer. end o fsaid handle shank, the inner end of saidhandle member being bifurcated to embrace said frame or plate, one ofV cY the furcations'of said handle member being formed with teeth forengaging said pinion,

the other fnrcation of said handlehaving a raised portion forming abearing cage, and a ball bearing in said bearing cage for receiving thelateral thrust between the handle and the frame.

. 7 kIn Aa razor stropping` device,theloom-V bination with a framehaving a cut awa portion vand adapted to contact `with the strop, ofarockable blade holder mounted on said frame centrally of said cut away`portion, a pinion :on ,said rockable lblade holder,

a handlevhavingfa `lost motion `connect-iony with: said ,frame andVprovi-,ded witha rack for engaging.. said pinion to reversesaid' "bladeholder,ayspring connected at its opposite endsto said frame andextending transversely of said rock shaft, and a pin on said pinionarranged toengage said spring intermediatefitsfends just before theblade conftactswith the strop.- l j f ,ff8.-In`a,saftey razor kstroppingdevice, a rock shaft,A a check plate rigidly secured thereto, a secondcheek plate hingedly mounted on said rock shaft, a stop permitting alimited .angular movement of said cheek plate, artorsional, spring onsaid rock shaft bearing on said plates tourge the same towards openposition, a bifurcated lever pivoted on one of said cheek-plates at oneend o f the same adjacent said rocksh'aft, said plates and permit thesame to project throughy the bifurcated portion thereof, va slightlj7raised` portion ion the oppositefend Aof one ofy said cheekplates,ahandle, a transverse mem- Vber on said handleone end of said transversemember forming a stop engaging said `rock` shaft and the 'otherl endAorminga Vfinger guard.y l l 9. In a razor' stropping device, the com--bination 4of a' blade"v holder having hingedly connectedcheek plates,said plates having clamping facesl at their outersides forming` acentral longitudinalrecess-between Vthe same and said hinged connection,an adaptor.

plate having-shoulders engaging corresponding shoulders on one ofsaidcheek plat-es, a spring clip c bearingagainst said, adaptor plate,and lugs on said adaptor plate forengaging a razor blade, the othercheekplate being recessed corresponding to thelugs on said'adaptor plate.A y.n a A 10. Ina razor str'opping device, the combination of .a `pair'ofhingedly connected cheek plates having adjacent raised clamping facesforminglongitudinal shoulders, one

of said plates having av projecting lug, a one piece readilyremovableadaptor platehaving an offset portion engaging the raised portion ofsaid cheek plate and havingl also a recess engaging said lug, andstruckout lugs on sai-d adaptor for engaging a razorblade.-

1l. In a razor Ystropping device, the combination of a pair of`,hingedlyconnected cheek plates having cooperating raised outerclamping faces forming longitudinal shoulders, an adaptor platehavingaraised portion engaging the raised portion of one of said plates, meansjfor preventing relative longitudinal movement ofsaidA cheek plate andadaptor plate, a spring clip bearing against said. adaptorplate, and istruck-out lugs on the raise-d portion lof said'adaptor plate, the otherlcheek .plate having recesses in its raised clamping; face correspondingto the last-mentioned lugs. v

12; Inf a razor stropping bination of-va pair Of'hingedly connectedcheek plates, a torsional spring having portions bearing'against'each ofsaid plates to urge the' same towvard'vopen position, rone of saidportions forming a clip, an adaptor plate insertablebetween said springclip and one of said plates, corresponding shoulders on said-cheek plateand'sai'd adaptor plate for positioning the latter, lugs on said adaptorplatev engageable with a razor blade, and means Vfor clamping said cheekplates in closed position. Y f

13.V In a razor str'opping device, the combination with a rock shafthaving ra pair of cheek plates thereon, one of said plates being hingedVon said rock'shaft, a spring wire coiled upon said rock shaftfatopposite ends thereofV the ends of',` said V'wire bearing device, thecom- Y` against one of said cheek plates, and the portion of said wireconnecting said coils being arranged to bear'against the other 0f sai-dvp cheek plates to form a spring clip, and a blade supporting adaptorplate secured to Vone of Vsaid cheek plates, said spring` clipbearingagainst thesame. g f

14. Inga razor stropping device the combij nation with a blade holderhaving a pair of 10 hingedly connected cheekv plates, of an 'adaptorhaving means for engaging one of said cheekV plates to position the samein the yblade holder,va spring clip adapted to bear aga-inst saidadaptor plate, lugs on said adaptor plate engaging said spring clip'toprevent accidental disengagement of the same, and lugs on said adaptorfor engaging Y the razor blade.

l5. A razor stropping device comprising a frame having strop engagingside bars and end bars, the four barsl being connected vto form a closedpath, an oscillatable blade holder supported intermediate of'and carriedby end bars of said frame, means for oscillating the holder andconnected to and formingk part of the inner end bar, the side bars andthe outer end bar being formed of'relatively wide stropengaging'surfaces in the general plane of the frame and also formed withrelatively wide upturned outer edges, the upturned outer edges of theside bars conforming to the curvatureof the strop, and the upturnedouter edges of the side vbars and outer end bar assisting in reinforcingthe frame.

" 16. In a razor stropping device, a blade holder comprising a pair ofcheek plates Vhingedly connected `along adjacent edges thereof to permitopening and closing of the same, a lever pivoted adjacent the hingedpart of one of said plates and adapted to be moved to extendlongitudinally thereof and Y embracing both of said cheek plates, asingle readily removable adaptor ladapted to be permanently positionedrelative to one of said f cheek plates for a particular style of razor`blade, and a spring for normally urging said plates toward openposition, a portion of said spring also bearing against said adaptor,

plate to normally hold the same in said permanent position for aparticular vtype of razor blade.

17. A razor stropping device comprising, a plate cut away to form anopening with side and end bars adjacent thereto, and a handle Y 'rwshank projecting laterally from one of the i said end bars, a bladeholder, a rock shaft on i which` said blade holder is mounted extendingacross said opening centrally between the said side bars and journaledin bearings on "f Vsaid end bars, a pinion on said rock shaft adjacentthe end bar with the handle sha-nk, a

handle embracing the handle shank and pivotally connected thereto at theouter end` thereof, a portion of said handle extending A.' .under saidend bar adjacent the pinion and j of razor blade.

,ieadftheraef-er 19112112 ether Raabe e eee-aseguran Q nien. of heharingffeeth formaient the Y da A lSarei :and .hawaii latenpeftne ,et@la alienate vbeing relatively wide and havingantifrivctign heer-nafta@eaelaaasmred' towardthe'outer edges of thehandle, and althaiatairiestiatemeetate VSaid `points 0f enn gagement thereon. l Y

18. A razor stropping device comprising,

adapted to equalize the pressure a frame or platef having a cutaway'portion and adapted to contact with a razor strop,

said frame comprising strop engaging members connected by yend bars, ablade holder and rock shaft pivotally mounted Von said end bars andlocated on the cut away portion between the strop engaging members, ahandle for actuatingsaid frame or plate having a limited lost motion`connection therewith, a pinion on said rock shaft positioned i adjacentthe end bar nearest the handle and extending below the inner' edge ofsaid end bar, a part of said handle extending below said end bar andhavingteethformed Von the end thereof for engagement with'the pinion,

said teeth and ypinion meshing at a point below and between said stropengaging members and-below and adjacent the inner edge of said end bar,and a lug adjacentto each of vsaid strop engaging members and projectingv laterally from the said end bar for forming a guide for the edge ofthe strop and to prevent the strop from coming in contact with saidpinion or the teeth on the end of the said handle.

figo j l9. In a razor stroppingf device, thecom- Y bination'with arblade holder having aipair of hingedly connected cheek plates, andmeans for clamping said plates together', of a vonepiece readilyremovable adaptor Vengaging only one of said cheek plates and having.ros

means for freely engaging said one cheek plate to position the adaptorin the blade holder, andpermanently positioned lugs on said adaptorfor'engaging apparticular style 20. In a razor stropping device, thecombination with a blade holder having .a pair of hingedly connectedcheek blades of a revmovable adaptor member `having means forv engagingonly one of said cheek plates, and

Sadchek 'pila-tes, and having nzlear1`sffo1y freel 1y engaging said onecheek plate, to position the: adaptor in the blade holder' and'havngLEONAELINKERQ im v

